Fibre channel – EXFO FTB-800 Series for FTB-1 User Manual
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Test Results
260
FTB-700G/800 Series
Alarms/Errors
Fibre Channel
Alarms
Link Down
RX: The Fibre Channel connection is down meaning that there is a
local or a remote fault condition.
LOS (Loss Of Signal)
RX: Absence of an input signal or an all-zeros pattern is received.
Frequency
RX: The received signal frequency meets the standard specifications
(green) or not (red). The frequency range is ± 100 ppm.
Error
Symbol
RX/TX: Invalid code-group is detected/generated in the code.
FCS (Frame Check Sequence)
RX: Frames with an invalid FCS are received.
Oversize (available when the Oversize Monitoring check box is
selected.)
RX: The number of received FL-2 frames larger than 2148 bytes with a
valid FCS.
Undersize
RX: FL-2 frames smaller than 36 bytes with a valid FCS.